Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.
I think they're still in the CIA. Or at least well connected to someone who still is.
I don't think the CIA would be asked to bodyguard a popstar, and then get paid cash in a brown envelope. I'd say they are freelance but still well connected to the CIA like you said.
 
It's probably like how Liam's character knew the Jeanne-Claud [sp] guy and got information from him, his friends got info from US based agents.
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.